This article is a list of diseases of rhododendron (Rhododendron spp.).
Bacterial diseases
Bacterial diseases | |
---|---|
Crown gall | Agrobacterium tumefaciens |
Fungal diseases
Fungal diseases | |
---|---|
Armillaria root rot Shoestring root rot |
Armillaria mellea |
Botryosphaeria dieback |
Botryosphaeria dothidea |
Botrytis leaf and petal blight |
Botrytis cinerea |
Bud and twig blight | Pycnostysanus azaleae |
Cercospora leaf spot | |
Chrysomyxa leaf rust |
Chrysomyxa ledi var. rhododendri |
Clitocybe root rot (mushroom root rot) | |
Coryneum leaf spot | |
Cryptostictis leaf spot | |
Cylindrocarpon canker and wilt | |
Damping-off, Pythium |
Pythium spp. |
Damping-off, Rhizoctonia |
Rhizoctonia solani |
Exobasidium leaf spot | |
Glomerella canker and dieback |
Glomerella cingulata |
Gray blight | |
Leaf and flower gall | |
Lophodermium leaf spot | |
Ovulinia petal blight |
Ovulinia azaleae |
Pestalosphaeria leaf spot |
Pestalosphaeria concentrica |
Pestalotia leaf spot | |
Phymatotrichum root rot (cotton root rot) | |
Phytophthora dieback |
Phytophthora nicotianae var. parasitica |
Phytophthora root rot |
Phytophthora cactorum |
Powdery mildew |
Microsphaera vaccinii |
Pucciniastrum leaf rust | |
Septoria leaf spot | |
Spot anthracnose |
Sphaceloma sp. |
Stem canker |
Cylindrocladium theae |
Witches' broom | |
Nematodes, parasitic
Nematodes, parasitic | |
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Dagger, American | Xiphinema americanum |
Lance | Hoplalaimus galeatus |
Sheath | Hemicycliophora spp. |
Spiral | Helicotylenchus erythinae |
Stubby-root | Paratrichodorus spp. |
Stunt | Tylenchorhynchus claytoni |
Viral diseases
Viral diseases | |
---|---|
Necrotic ringspot | Potato virus X group |